!1018 Remove additional model

From: @liuchongming74
Reviewed-by: @wangyue01,@lilongfei15
Signed-off-by: @lilongfei15

mindinsight/mindconverter/README.md

@@ -134,8 +134,6 @@ Supported models list (Models in below table have been tested based on PyTorch 1
 | ResNet101V2 | / | [Link](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet_v2.py) |  |
 | ResNet152 | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | [Link](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet.py) |  |
 | ResNet152V2 | / | [Link](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet_v2.py) |  |
-| ResNeXt50 32x4d | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | / | |
-| ResNeXt101 32x8d | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | / | |
 | Wide ResNet50 2 | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | / | |
 | Wide ResNet101 2 | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | / | |
 | VGG11/11BN | [Link](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/vgg.py) | / |  |

mindinsight/mindconverter/README_CN.md

@@ -132,8 +132,6 @@ MindConverter提供两种技术方案，以应对不同脚本迁移场景：
 | ResNet101V2 | 暂未测试 | [脚本链接](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet_v2.py) |  |
 | ResNet152 | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | [脚本链接](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet.py) |  |
 | ResNet152V2 | 暂未测试 | [脚本链接](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/keras/applications/resnet_v2.py) |  |
-| ResNeXt50 32x4d | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | 暂未测试 | |
-| ResNeXt101 32x8d | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | 暂未测试 | |
 | Wide ResNet50 2 | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | 暂未测试 | |
 | Wide ResNet101 2 | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/resnet.py) | 暂未测试 | |
 | VGG11/11BN | [脚本链接](https://github.com/pytorch/vision/blob/v0.5.0/torchvision/models/vgg.py) | 暂未测试 |  |